Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; version 2 of the License. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write to the Free Software |
| 15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
| 16 | */ |
| 17 | |
| 18 | #include <linux/module.h> |
| 19 | #include <linux/moduleparam.h> |
| 20 | #include <linux/init.h> |
| 21 | #include <linux/delay.h> |
| 22 | #include <linux/pm.h> |
| 23 | #include <linux/i2c.h> |
| 24 | #include <linux/slab.h> |
| 25 | #include <linux/platform_device.h> |
| 26 | #include <linux/regmap.h> |
| 27 | #include <sound/core.h> |
| 28 | #include <sound/pcm.h> |
| 29 | #include <sound/pcm_params.h> |
| 30 | #include <sound/soc.h> |
| 31 | #include <sound/tlv.h> |
| 32 | #include "ml26124.h" |
| 33 | |
| 34 | #define DVOL_CTL_DVMUTE_ON BIT(4) /* Digital volume MUTE On */ |
| 35 | #define DVOL_CTL_DVMUTE_OFF 0 /* Digital volume MUTE Off */ |
| 36 | #define ML26124_SAI_NO_DELAY BIT(1) |
| 37 | #define ML26124_SAI_FRAME_SYNC (BIT(5) | BIT(0)) /* For mono (Telecodec) */ |
| 38 | #define ML26134_CACHESIZE 212 |
| 39 | #define ML26124_VMID BIT(1) |
| 40 | #define ML26124_RATES (SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_32000 |\ |
| 41 | SNDRV_PCM_RATE_48000) |
| 42 | #define ML26124_FORMATS (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |\ |
| 43 | SNDRV_PCM_FMTBIT_S32_LE) |
| 44 | #define ML26124_NUM_REGISTER ML26134_CACHESIZE |
| 45 | |
| 46 | struct ml26124_priv { |
| 47 | u32 mclk; |
| 48 | u32 rate; |
| 49 | struct regmap *regmap; |
| 50 | int clk_in; |
| 51 | struct snd_pcm_substream *substream; |
| 52 | }; |
| 53 | |
| 54 | struct clk_coeff { |
| 55 | u32 mclk; |
| 56 | u32 rate; |
| 57 | u8 pllnl; |
| 58 | u8 pllnh; |
| 59 | u8 pllml; |
| 60 | u8 pllmh; |
| 61 | u8 plldiv; |
| 62 | }; |
| 63 | |
| 64 | /* ML26124 configuration */ |
| 65 | static const DECLARE_TLV_DB_SCALE(digital_tlv, -7150, 50, 0); |
| 66 | |
| 67 | static const DECLARE_TLV_DB_SCALE(alclvl, -2250, 150, 0); |
| 68 | static const DECLARE_TLV_DB_SCALE(mingain, -1200, 600, 0); |
| 69 | static const DECLARE_TLV_DB_SCALE(maxgain, -675, 600, 0); |
| 70 | static const DECLARE_TLV_DB_SCALE(boost_vol, -1200, 75, 0); |
| 71 | static const DECLARE_TLV_DB_SCALE(ngth, -7650, 150, 0); |
| 72 | |
| 73 | static const char * const ml26124_companding[] = {"16bit PCM", "u-law", |
| 74 | "A-law"}; |
| 75 | |
Takashi Iwai | c3518d1 | 2014-02-18 10:45:36 +0100 | [diff] [blame] | 76 | static SOC_ENUM_SINGLE_DECL(ml26124_adc_companding_enum, |
| 77 | ML26124_SAI_TRANS_CTL, 6, ml26124_companding); |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 78 | |
Takashi Iwai | c3518d1 | 2014-02-18 10:45:36 +0100 | [diff] [blame] | 79 | static SOC_ENUM_SINGLE_DECL(ml26124_dac_companding_enum, |
| 80 | ML26124_SAI_RCV_CTL, 6, ml26124_companding); |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 81 | |
| 82 | static const struct snd_kcontrol_new ml26124_snd_controls[] = { |
| 83 | SOC_SINGLE_TLV("Capture Digital Volume", ML26124_RECORD_DIG_VOL, 0, |
| 84 | 0xff, 1, digital_tlv), |
| 85 | SOC_SINGLE_TLV("Playback Digital Volume", ML26124_PLBAK_DIG_VOL, 0, |
| 86 | 0xff, 1, digital_tlv), |
| 87 | SOC_SINGLE_TLV("Digital Boost Volume", ML26124_DIGI_BOOST_VOL, 0, |
| 88 | 0x3f, 0, boost_vol), |
| 89 | SOC_SINGLE_TLV("EQ Band0 Volume", ML26124_EQ_GAIN_BRAND0, 0, |
| 90 | 0xff, 1, digital_tlv), |
| 91 | SOC_SINGLE_TLV("EQ Band1 Volume", ML26124_EQ_GAIN_BRAND1, 0, |
| 92 | 0xff, 1, digital_tlv), |
| 93 | SOC_SINGLE_TLV("EQ Band2 Volume", ML26124_EQ_GAIN_BRAND2, 0, |
| 94 | 0xff, 1, digital_tlv), |
| 95 | SOC_SINGLE_TLV("EQ Band3 Volume", ML26124_EQ_GAIN_BRAND3, 0, |
| 96 | 0xff, 1, digital_tlv), |
| 97 | SOC_SINGLE_TLV("EQ Band4 Volume", ML26124_EQ_GAIN_BRAND4, 0, |
| 98 | 0xff, 1, digital_tlv), |
| 99 | SOC_SINGLE_TLV("ALC Target Level", ML26124_ALC_TARGET_LEV, 0, |
| 100 | 0xf, 1, alclvl), |
| 101 | SOC_SINGLE_TLV("ALC Min Input Volume", ML26124_ALC_MAXMIN_GAIN, 0, |
| 102 | 7, 0, mingain), |
| 103 | SOC_SINGLE_TLV("ALC Max Input Volume", ML26124_ALC_MAXMIN_GAIN, 4, |
| 104 | 7, 1, maxgain), |
| 105 | SOC_SINGLE_TLV("Playback Limiter Min Input Volume", |
| 106 | ML26124_PL_MAXMIN_GAIN, 0, 7, 0, mingain), |
| 107 | SOC_SINGLE_TLV("Playback Limiter Max Input Volume", |
| 108 | ML26124_PL_MAXMIN_GAIN, 4, 7, 1, maxgain), |
| 109 | SOC_SINGLE_TLV("Playback Boost Volume", ML26124_PLYBAK_BOST_VOL, 0, |
| 110 | 0x3f, 0, boost_vol), |
| 111 | SOC_SINGLE("DC High Pass Filter Switch", ML26124_FILTER_EN, 0, 1, 0), |
| 112 | SOC_SINGLE("Noise High Pass Filter Switch", ML26124_FILTER_EN, 1, 1, 0), |
| 113 | SOC_SINGLE("ZC Switch", ML26124_PW_ZCCMP_PW_MNG, 1, |
| 114 | 1, 0), |
| 115 | SOC_SINGLE("EQ Band0 Switch", ML26124_FILTER_EN, 2, 1, 0), |
| 116 | SOC_SINGLE("EQ Band1 Switch", ML26124_FILTER_EN, 3, 1, 0), |
| 117 | SOC_SINGLE("EQ Band2 Switch", ML26124_FILTER_EN, 4, 1, 0), |
| 118 | SOC_SINGLE("EQ Band3 Switch", ML26124_FILTER_EN, 5, 1, 0), |
| 119 | SOC_SINGLE("EQ Band4 Switch", ML26124_FILTER_EN, 6, 1, 0), |
| 120 | SOC_SINGLE("Play Limiter", ML26124_DVOL_CTL, 0, 1, 0), |
| 121 | SOC_SINGLE("Capture Limiter", ML26124_DVOL_CTL, 1, 1, 0), |
| 122 | SOC_SINGLE("Digital Volume Fade Switch", ML26124_DVOL_CTL, 3, 1, 0), |
| 123 | SOC_SINGLE("Digital Switch", ML26124_DVOL_CTL, 4, 1, 0), |
| 124 | SOC_ENUM("DAC Companding", ml26124_dac_companding_enum), |
| 125 | SOC_ENUM("ADC Companding", ml26124_adc_companding_enum), |
| 126 | }; |
| 127 | |
| 128 | static const struct snd_kcontrol_new ml26124_output_mixer_controls[] = { |
| 129 | SOC_DAPM_SINGLE("DAC Switch", ML26124_SPK_AMP_OUT, 1, 1, 0), |
| 130 | SOC_DAPM_SINGLE("Line in loopback Switch", ML26124_SPK_AMP_OUT, 3, 1, |
| 131 | 0), |
| 132 | SOC_DAPM_SINGLE("PGA Switch", ML26124_SPK_AMP_OUT, 5, 1, 0), |
| 133 | }; |
| 134 | |
| 135 | /* Input mux */ |
| 136 | static const char * const ml26124_input_select[] = {"Analog MIC SingleEnded in", |
| 137 | "Digital MIC in", "Analog MIC Differential in"}; |
| 138 | |
Takashi Iwai | c3518d1 | 2014-02-18 10:45:36 +0100 | [diff] [blame] | 139 | static SOC_ENUM_SINGLE_DECL(ml26124_insel_enum, |
| 140 | ML26124_MIC_IF_CTL, 0, ml26124_input_select); |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 141 | |
| 142 | static const struct snd_kcontrol_new ml26124_input_mux_controls = |
| 143 | SOC_DAPM_ENUM("Input Select", ml26124_insel_enum); |
| 144 | |
| 145 | static const struct snd_kcontrol_new ml26124_line_control = |
| 146 | SOC_DAPM_SINGLE("Switch", ML26124_PW_LOUT_PW_MNG, 1, 1, 0); |
| 147 | |
| 148 | static const struct snd_soc_dapm_widget ml26124_dapm_widgets[] = { |
| 149 | SND_SOC_DAPM_SUPPLY("MCLKEN", ML26124_CLK_EN, 0, 0, NULL, 0), |
| 150 | SND_SOC_DAPM_SUPPLY("PLLEN", ML26124_CLK_EN, 1, 0, NULL, 0), |
| 151 | SND_SOC_DAPM_SUPPLY("PLLOE", ML26124_CLK_EN, 2, 0, NULL, 0), |
| 152 | SND_SOC_DAPM_SUPPLY("MICBIAS", ML26124_PW_REF_PW_MNG, 2, 0, NULL, 0), |
| 153 | SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0, |
| 154 | &ml26124_output_mixer_controls[0], |
| 155 | ARRAY_SIZE(ml26124_output_mixer_controls)), |
| 156 | SND_SOC_DAPM_DAC("DAC", "Playback", ML26124_PW_DAC_PW_MNG, 1, 0), |
| 157 | SND_SOC_DAPM_ADC("ADC", "Capture", ML26124_PW_IN_PW_MNG, 1, 0), |
| 158 | SND_SOC_DAPM_PGA("PGA", ML26124_PW_IN_PW_MNG, 3, 0, NULL, 0), |
| 159 | SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, |
| 160 | &ml26124_input_mux_controls), |
| 161 | SND_SOC_DAPM_SWITCH("Line Out Enable", SND_SOC_NOPM, 0, 0, |
| 162 | &ml26124_line_control), |
| 163 | SND_SOC_DAPM_INPUT("MDIN"), |
| 164 | SND_SOC_DAPM_INPUT("MIN"), |
| 165 | SND_SOC_DAPM_INPUT("LIN"), |
| 166 | SND_SOC_DAPM_OUTPUT("SPOUT"), |
| 167 | SND_SOC_DAPM_OUTPUT("LOUT"), |
| 168 | }; |
| 169 | |
| 170 | static const struct snd_soc_dapm_route ml26124_intercon[] = { |
| 171 | /* Supply */ |
| 172 | {"DAC", NULL, "MCLKEN"}, |
| 173 | {"ADC", NULL, "MCLKEN"}, |
| 174 | {"DAC", NULL, "PLLEN"}, |
| 175 | {"ADC", NULL, "PLLEN"}, |
| 176 | {"DAC", NULL, "PLLOE"}, |
| 177 | {"ADC", NULL, "PLLOE"}, |
| 178 | |
| 179 | /* output mixer */ |
| 180 | {"Output Mixer", "DAC Switch", "DAC"}, |
| 181 | {"Output Mixer", "Line in loopback Switch", "LIN"}, |
| 182 | |
| 183 | /* outputs */ |
| 184 | {"LOUT", NULL, "Output Mixer"}, |
| 185 | {"SPOUT", NULL, "Output Mixer"}, |
| 186 | {"Line Out Enable", NULL, "LOUT"}, |
| 187 | |
| 188 | /* input */ |
| 189 | {"ADC", NULL, "Input Mux"}, |
| 190 | {"Input Mux", "Analog MIC SingleEnded in", "PGA"}, |
| 191 | {"Input Mux", "Analog MIC Differential in", "PGA"}, |
| 192 | {"PGA", NULL, "MIN"}, |
| 193 | }; |
| 194 | |
| 195 | /* PLLOutputFreq(Hz) = InputMclkFreq(Hz) * PLLM / (PLLN * PLLDIV) */ |
| 196 | static const struct clk_coeff coeff_div[] = { |
| 197 | {12288000, 16000, 0xc, 0x0, 0x20, 0x0, 0x4}, |
| 198 | {12288000, 32000, 0xc, 0x0, 0x20, 0x0, 0x4}, |
| 199 | {12288000, 48000, 0xc, 0x0, 0x30, 0x0, 0x4}, |
| 200 | }; |
| 201 | |
Axel Lin | c418a84 | 2015-07-05 17:48:29 +0800 | [diff] [blame] | 202 | static const struct reg_default ml26124_reg[] = { |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 203 | /* CLOCK control Register */ |
| 204 | {0x00, 0x00 }, /* Sampling Rate */ |
| 205 | {0x02, 0x00}, /* PLL NL */ |
| 206 | {0x04, 0x00}, /* PLLNH */ |
| 207 | {0x06, 0x00}, /* PLLML */ |
| 208 | {0x08, 0x00}, /* MLLMH */ |
| 209 | {0x0a, 0x00}, /* PLLDIV */ |
| 210 | {0x0c, 0x00}, /* Clock Enable */ |
| 211 | {0x0e, 0x00}, /* CLK Input/Output Control */ |
| 212 | |
| 213 | /* System Control Register */ |
| 214 | {0x10, 0x00}, /* Software RESET */ |
| 215 | {0x12, 0x00}, /* Record/Playback Run */ |
| 216 | {0x14, 0x00}, /* Mic Input/Output control */ |
| 217 | |
| 218 | /* Power Management Register */ |
| 219 | {0x20, 0x00}, /* Reference Power Management */ |
| 220 | {0x22, 0x00}, /* Input Power Management */ |
| 221 | {0x24, 0x00}, /* DAC Power Management */ |
| 222 | {0x26, 0x00}, /* SP-AMP Power Management */ |
| 223 | {0x28, 0x00}, /* LINEOUT Power Management */ |
| 224 | {0x2a, 0x00}, /* VIDEO Power Management */ |
| 225 | {0x2e, 0x00}, /* AC-CMP Power Management */ |
| 226 | |
| 227 | /* Analog reference Control Register */ |
| 228 | {0x30, 0x04}, /* MICBIAS Voltage Control */ |
| 229 | |
| 230 | /* Input/Output Amplifier Control Register */ |
| 231 | {0x32, 0x10}, /* MIC Input Volume */ |
| 232 | {0x38, 0x00}, /* Mic Boost Volume */ |
| 233 | {0x3a, 0x33}, /* Speaker AMP Volume */ |
| 234 | {0x48, 0x00}, /* AMP Volume Control Function Enable */ |
| 235 | {0x4a, 0x00}, /* Amplifier Volume Fader Control */ |
| 236 | |
| 237 | /* Analog Path Control Register */ |
| 238 | {0x54, 0x00}, /* Speaker AMP Output Control */ |
| 239 | {0x5a, 0x00}, /* Mic IF Control */ |
| 240 | {0xe8, 0x01}, /* Mic Select Control */ |
| 241 | |
| 242 | /* Audio Interface Control Register */ |
| 243 | {0x60, 0x00}, /* SAI-Trans Control */ |
| 244 | {0x62, 0x00}, /* SAI-Receive Control */ |
| 245 | {0x64, 0x00}, /* SAI Mode select */ |
| 246 | |
| 247 | /* DSP Control Register */ |
| 248 | {0x66, 0x01}, /* Filter Func Enable */ |
| 249 | {0x68, 0x00}, /* Volume Control Func Enable */ |
| 250 | {0x6A, 0x00}, /* Mixer & Volume Control*/ |
| 251 | {0x6C, 0xff}, /* Record Digital Volume */ |
| 252 | {0x70, 0xff}, /* Playback Digital Volume */ |
| 253 | {0x72, 0x10}, /* Digital Boost Volume */ |
| 254 | {0x74, 0xe7}, /* EQ gain Band0 */ |
| 255 | {0x76, 0xe7}, /* EQ gain Band1 */ |
| 256 | {0x78, 0xe7}, /* EQ gain Band2 */ |
| 257 | {0x7A, 0xe7}, /* EQ gain Band3 */ |
| 258 | {0x7C, 0xe7}, /* EQ gain Band4 */ |
| 259 | {0x7E, 0x00}, /* HPF2 CutOff*/ |
| 260 | {0x80, 0x00}, /* EQ Band0 Coef0L */ |
| 261 | {0x82, 0x00}, /* EQ Band0 Coef0H */ |
| 262 | {0x84, 0x00}, /* EQ Band0 Coef0L */ |
| 263 | {0x86, 0x00}, /* EQ Band0 Coef0H */ |
| 264 | {0x88, 0x00}, /* EQ Band1 Coef0L */ |
| 265 | {0x8A, 0x00}, /* EQ Band1 Coef0H */ |
| 266 | {0x8C, 0x00}, /* EQ Band1 Coef0L */ |
| 267 | {0x8E, 0x00}, /* EQ Band1 Coef0H */ |
| 268 | {0x90, 0x00}, /* EQ Band2 Coef0L */ |
| 269 | {0x92, 0x00}, /* EQ Band2 Coef0H */ |
| 270 | {0x94, 0x00}, /* EQ Band2 Coef0L */ |
| 271 | {0x96, 0x00}, /* EQ Band2 Coef0H */ |
| 272 | {0x98, 0x00}, /* EQ Band3 Coef0L */ |
| 273 | {0x9A, 0x00}, /* EQ Band3 Coef0H */ |
| 274 | {0x9C, 0x00}, /* EQ Band3 Coef0L */ |
| 275 | {0x9E, 0x00}, /* EQ Band3 Coef0H */ |
| 276 | {0xA0, 0x00}, /* EQ Band4 Coef0L */ |
| 277 | {0xA2, 0x00}, /* EQ Band4 Coef0H */ |
| 278 | {0xA4, 0x00}, /* EQ Band4 Coef0L */ |
| 279 | {0xA6, 0x00}, /* EQ Band4 Coef0H */ |
| 280 | |
| 281 | /* ALC Control Register */ |
| 282 | {0xb0, 0x00}, /* ALC Mode */ |
| 283 | {0xb2, 0x02}, /* ALC Attack Time */ |
| 284 | {0xb4, 0x03}, /* ALC Decay Time */ |
| 285 | {0xb6, 0x00}, /* ALC Hold Time */ |
| 286 | {0xb8, 0x0b}, /* ALC Target Level */ |
| 287 | {0xba, 0x70}, /* ALC Max/Min Gain */ |
| 288 | {0xbc, 0x00}, /* Noise Gate Threshold */ |
| 289 | {0xbe, 0x00}, /* ALC ZeroCross TimeOut */ |
| 290 | |
| 291 | /* Playback Limiter Control Register */ |
| 292 | {0xc0, 0x04}, /* PL Attack Time */ |
| 293 | {0xc2, 0x05}, /* PL Decay Time */ |
| 294 | {0xc4, 0x0d}, /* PL Target Level */ |
| 295 | {0xc6, 0x70}, /* PL Max/Min Gain */ |
| 296 | {0xc8, 0x10}, /* Playback Boost Volume */ |
| 297 | {0xca, 0x00}, /* PL ZeroCross TimeOut */ |
| 298 | |
| 299 | /* Video Amplifier Control Register */ |
| 300 | {0xd0, 0x01}, /* VIDEO AMP Gain Control */ |
| 301 | {0xd2, 0x01}, /* VIDEO AMP Setup 1 */ |
| 302 | {0xd4, 0x01}, /* VIDEO AMP Control2 */ |
| 303 | }; |
| 304 | |
| 305 | /* Get sampling rate value of sampling rate setting register (0x0) */ |
| 306 | static inline int get_srate(int rate) |
| 307 | { |
| 308 | int srate; |
| 309 | |
| 310 | switch (rate) { |
| 311 | case 16000: |
| 312 | srate = 3; |
| 313 | break; |
| 314 | case 32000: |
| 315 | srate = 6; |
| 316 | break; |
| 317 | case 48000: |
| 318 | srate = 8; |
| 319 | break; |
| 320 | default: |
| 321 | return -EINVAL; |
| 322 | } |
| 323 | return srate; |
| 324 | } |
| 325 | |
| 326 | static inline int get_coeff(int mclk, int rate) |
| 327 | { |
| 328 | int i; |
| 329 | |
| 330 | for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { |
| 331 | if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) |
| 332 | return i; |
| 333 | } |
| 334 | return -EINVAL; |
| 335 | } |
| 336 | |
| 337 | static int ml26124_hw_params(struct snd_pcm_substream *substream, |
| 338 | struct snd_pcm_hw_params *hw_params, |
| 339 | struct snd_soc_dai *dai) |
| 340 | { |
| 341 | struct snd_soc_codec *codec = dai->codec; |
| 342 | struct ml26124_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 343 | int i = get_coeff(priv->mclk, params_rate(hw_params)); |
Axel Lin | b43fccf | 2015-06-14 10:28:01 +0800 | [diff] [blame] | 344 | int srate; |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 345 | |
Takashi Iwai | 8b4b303 | 2013-10-30 18:40:04 +0100 | [diff] [blame] | 346 | if (i < 0) |
| 347 | return i; |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 348 | priv->substream = substream; |
| 349 | priv->rate = params_rate(hw_params); |
| 350 | |
| 351 | if (priv->clk_in) { |
| 352 | switch (priv->mclk / params_rate(hw_params)) { |
| 353 | case 256: |
| 354 | snd_soc_update_bits(codec, ML26124_CLK_CTL, |
| 355 | BIT(0) | BIT(1), 1); |
| 356 | break; |
| 357 | case 512: |
| 358 | snd_soc_update_bits(codec, ML26124_CLK_CTL, |
| 359 | BIT(0) | BIT(1), 2); |
| 360 | break; |
| 361 | case 1024: |
| 362 | snd_soc_update_bits(codec, ML26124_CLK_CTL, |
| 363 | BIT(0) | BIT(1), 3); |
| 364 | break; |
| 365 | default: |
| 366 | dev_err(codec->dev, "Unsupported MCLKI\n"); |
| 367 | break; |
| 368 | } |
| 369 | } else { |
| 370 | snd_soc_update_bits(codec, ML26124_CLK_CTL, |
| 371 | BIT(0) | BIT(1), 0); |
| 372 | } |
| 373 | |
Axel Lin | b43fccf | 2015-06-14 10:28:01 +0800 | [diff] [blame] | 374 | srate = get_srate(params_rate(hw_params)); |
| 375 | if (srate < 0) |
| 376 | return srate; |
| 377 | |
| 378 | snd_soc_update_bits(codec, ML26124_SMPLING_RATE, 0xf, srate); |
| 379 | snd_soc_update_bits(codec, ML26124_PLLNL, 0xff, coeff_div[i].pllnl); |
| 380 | snd_soc_update_bits(codec, ML26124_PLLNH, 0x1, coeff_div[i].pllnh); |
| 381 | snd_soc_update_bits(codec, ML26124_PLLML, 0xff, coeff_div[i].pllml); |
| 382 | snd_soc_update_bits(codec, ML26124_PLLMH, 0x3f, coeff_div[i].pllmh); |
| 383 | snd_soc_update_bits(codec, ML26124_PLLDIV, 0x1f, coeff_div[i].plldiv); |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 384 | |
| 385 | return 0; |
| 386 | } |
| 387 | |
| 388 | static int ml26124_mute(struct snd_soc_dai *dai, int mute) |
| 389 | { |
| 390 | struct snd_soc_codec *codec = dai->codec; |
| 391 | struct ml26124_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 392 | |
| 393 | switch (priv->substream->stream) { |
| 394 | case SNDRV_PCM_STREAM_CAPTURE: |
| 395 | snd_soc_update_bits(codec, ML26124_REC_PLYBAK_RUN, BIT(0), 1); |
| 396 | break; |
| 397 | case SNDRV_PCM_STREAM_PLAYBACK: |
| 398 | snd_soc_update_bits(codec, ML26124_REC_PLYBAK_RUN, BIT(1), 2); |
| 399 | break; |
| 400 | } |
| 401 | |
| 402 | if (mute) |
| 403 | snd_soc_update_bits(codec, ML26124_DVOL_CTL, BIT(4), |
| 404 | DVOL_CTL_DVMUTE_ON); |
| 405 | else |
| 406 | snd_soc_update_bits(codec, ML26124_DVOL_CTL, BIT(4), |
| 407 | DVOL_CTL_DVMUTE_OFF); |
| 408 | |
| 409 | return 0; |
| 410 | } |
| 411 | |
| 412 | static int ml26124_set_dai_fmt(struct snd_soc_dai *codec_dai, |
| 413 | unsigned int fmt) |
| 414 | { |
| 415 | unsigned char mode; |
| 416 | struct snd_soc_codec *codec = codec_dai->codec; |
| 417 | |
| 418 | /* set master/slave audio interface */ |
| 419 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
| 420 | case SND_SOC_DAIFMT_CBM_CFM: |
| 421 | mode = 1; |
| 422 | break; |
| 423 | case SND_SOC_DAIFMT_CBS_CFS: |
| 424 | mode = 0; |
| 425 | break; |
| 426 | default: |
| 427 | return -EINVAL; |
| 428 | } |
| 429 | snd_soc_update_bits(codec, ML26124_SAI_MODE_SEL, BIT(0), mode); |
| 430 | |
| 431 | /* interface format */ |
| 432 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 433 | case SND_SOC_DAIFMT_I2S: |
| 434 | break; |
| 435 | default: |
| 436 | return -EINVAL; |
| 437 | } |
| 438 | |
| 439 | /* clock inversion */ |
| 440 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
| 441 | case SND_SOC_DAIFMT_NB_NF: |
| 442 | break; |
| 443 | default: |
| 444 | return -EINVAL; |
| 445 | } |
| 446 | |
| 447 | return 0; |
| 448 | } |
| 449 | |
| 450 | static int ml26124_set_dai_sysclk(struct snd_soc_dai *codec_dai, |
| 451 | int clk_id, unsigned int freq, int dir) |
| 452 | { |
| 453 | struct snd_soc_codec *codec = codec_dai->codec; |
| 454 | struct ml26124_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 455 | |
| 456 | switch (clk_id) { |
| 457 | case ML26124_USE_PLLOUT: |
| 458 | priv->clk_in = ML26124_USE_PLLOUT; |
| 459 | break; |
| 460 | case ML26124_USE_MCLKI: |
| 461 | priv->clk_in = ML26124_USE_MCLKI; |
| 462 | break; |
| 463 | default: |
| 464 | return -EINVAL; |
| 465 | } |
| 466 | |
| 467 | priv->mclk = freq; |
| 468 | |
| 469 | return 0; |
| 470 | } |
| 471 | |
| 472 | static int ml26124_set_bias_level(struct snd_soc_codec *codec, |
| 473 | enum snd_soc_bias_level level) |
| 474 | { |
| 475 | struct ml26124_priv *priv = snd_soc_codec_get_drvdata(codec); |
| 476 | |
| 477 | switch (level) { |
| 478 | case SND_SOC_BIAS_ON: |
| 479 | snd_soc_update_bits(codec, ML26124_PW_SPAMP_PW_MNG, |
| 480 | ML26124_R26_MASK, ML26124_BLT_PREAMP_ON); |
| 481 | msleep(100); |
| 482 | snd_soc_update_bits(codec, ML26124_PW_SPAMP_PW_MNG, |
| 483 | ML26124_R26_MASK, |
| 484 | ML26124_MICBEN_ON | ML26124_BLT_ALL_ON); |
| 485 | break; |
| 486 | case SND_SOC_BIAS_PREPARE: |
| 487 | break; |
| 488 | case SND_SOC_BIAS_STANDBY: |
| 489 | /* VMID ON */ |
Lars-Peter Clausen | 41b7688 | 2015-05-11 09:42:32 +0200 | [diff] [blame] | 490 | if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) { |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 491 | snd_soc_update_bits(codec, ML26124_PW_REF_PW_MNG, |
| 492 | ML26124_VMID, ML26124_VMID); |
| 493 | msleep(500); |
| 494 | regcache_sync(priv->regmap); |
| 495 | } |
| 496 | break; |
| 497 | case SND_SOC_BIAS_OFF: |
| 498 | /* VMID OFF */ |
| 499 | snd_soc_update_bits(codec, ML26124_PW_REF_PW_MNG, |
| 500 | ML26124_VMID, 0); |
| 501 | break; |
| 502 | } |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 503 | return 0; |
| 504 | } |
| 505 | |
| 506 | static const struct snd_soc_dai_ops ml26124_dai_ops = { |
| 507 | .hw_params = ml26124_hw_params, |
| 508 | .digital_mute = ml26124_mute, |
| 509 | .set_fmt = ml26124_set_dai_fmt, |
| 510 | .set_sysclk = ml26124_set_dai_sysclk, |
| 511 | }; |
| 512 | |
| 513 | static struct snd_soc_dai_driver ml26124_dai = { |
| 514 | .name = "ml26124-hifi", |
| 515 | .playback = { |
| 516 | .stream_name = "Playback", |
| 517 | .channels_min = 1, |
| 518 | .channels_max = 2, |
| 519 | .rates = ML26124_RATES, |
| 520 | .formats = ML26124_FORMATS,}, |
| 521 | .capture = { |
| 522 | .stream_name = "Capture", |
| 523 | .channels_min = 1, |
| 524 | .channels_max = 2, |
| 525 | .rates = ML26124_RATES, |
| 526 | .formats = ML26124_FORMATS,}, |
| 527 | .ops = &ml26124_dai_ops, |
| 528 | .symmetric_rates = 1, |
| 529 | }; |
| 530 | |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 531 | static int ml26124_probe(struct snd_soc_codec *codec) |
| 532 | { |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 533 | /* Software Reset */ |
| 534 | snd_soc_update_bits(codec, ML26124_SW_RST, 0x01, 1); |
| 535 | snd_soc_update_bits(codec, ML26124_SW_RST, 0x01, 0); |
| 536 | |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 537 | return 0; |
| 538 | } |
| 539 | |
| 540 | static struct snd_soc_codec_driver soc_codec_dev_ml26124 = { |
| 541 | .probe = ml26124_probe, |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 542 | .set_bias_level = ml26124_set_bias_level, |
Lars-Peter Clausen | 35199a7 | 2014-09-06 14:29:34 +0200 | [diff] [blame] | 543 | .suspend_bias_off = true, |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 544 | .dapm_widgets = ml26124_dapm_widgets, |
| 545 | .num_dapm_widgets = ARRAY_SIZE(ml26124_dapm_widgets), |
| 546 | .dapm_routes = ml26124_intercon, |
| 547 | .num_dapm_routes = ARRAY_SIZE(ml26124_intercon), |
| 548 | .controls = ml26124_snd_controls, |
| 549 | .num_controls = ARRAY_SIZE(ml26124_snd_controls), |
| 550 | }; |
| 551 | |
| 552 | static const struct regmap_config ml26124_i2c_regmap = { |
| 553 | .val_bits = 8, |
| 554 | .reg_bits = 8, |
| 555 | .max_register = ML26124_NUM_REGISTER, |
| 556 | .reg_defaults = ml26124_reg, |
| 557 | .num_reg_defaults = ARRAY_SIZE(ml26124_reg), |
| 558 | .cache_type = REGCACHE_RBTREE, |
| 559 | .write_flag_mask = 0x01, |
| 560 | }; |
| 561 | |
Bill Pemberton | 7a79e94 | 2012-12-07 09:26:37 -0500 | [diff] [blame] | 562 | static int ml26124_i2c_probe(struct i2c_client *i2c, |
| 563 | const struct i2c_device_id *id) |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 564 | { |
| 565 | struct ml26124_priv *priv; |
| 566 | int ret; |
| 567 | |
| 568 | priv = devm_kzalloc(&i2c->dev, sizeof(*priv), GFP_KERNEL); |
| 569 | if (!priv) |
| 570 | return -ENOMEM; |
| 571 | |
| 572 | i2c_set_clientdata(i2c, priv); |
| 573 | |
Axel Lin | 8994a5e | 2012-06-13 14:36:07 +0800 | [diff] [blame] | 574 | priv->regmap = devm_regmap_init_i2c(i2c, &ml26124_i2c_regmap); |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 575 | if (IS_ERR(priv->regmap)) { |
| 576 | ret = PTR_ERR(priv->regmap); |
| 577 | dev_err(&i2c->dev, "regmap_init_i2c() failed: %d\n", ret); |
| 578 | return ret; |
| 579 | } |
| 580 | |
| 581 | return snd_soc_register_codec(&i2c->dev, |
| 582 | &soc_codec_dev_ml26124, &ml26124_dai, 1); |
| 583 | } |
| 584 | |
Bill Pemberton | 7a79e94 | 2012-12-07 09:26:37 -0500 | [diff] [blame] | 585 | static int ml26124_i2c_remove(struct i2c_client *client) |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 586 | { |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 587 | snd_soc_unregister_codec(&client->dev); |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 588 | return 0; |
| 589 | } |
| 590 | |
| 591 | static const struct i2c_device_id ml26124_i2c_id[] = { |
| 592 | { "ml26124", 0 }, |
| 593 | { } |
| 594 | }; |
| 595 | MODULE_DEVICE_TABLE(i2c, ml26124_i2c_id); |
| 596 | |
| 597 | static struct i2c_driver ml26124_i2c_driver = { |
| 598 | .driver = { |
| 599 | .name = "ml26124", |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 600 | }, |
| 601 | .probe = ml26124_i2c_probe, |
Bill Pemberton | 7a79e94 | 2012-12-07 09:26:37 -0500 | [diff] [blame] | 602 | .remove = ml26124_i2c_remove, |
Tomoya MORINAGA | d808fe9 | 2012-03-19 20:59:28 +0900 | [diff] [blame] | 603 | .id_table = ml26124_i2c_id, |
| 604 | }; |
| 605 | |
| 606 | module_i2c_driver(ml26124_i2c_driver); |
| 607 | |
| 608 | MODULE_AUTHOR("Tomoya MORINAGA <tomoya.rohm@gmail.com>"); |
| 609 | MODULE_DESCRIPTION("LAPIS Semiconductor ML26124 ALSA SoC codec driver"); |
| 610 | MODULE_LICENSE("GPL"); |